Re: [PATCH v4] MIPS: loongson64: make CPU_LOONGSON64 depends on MIPS_FP_SUPPORT

[Jackie Liu <liu.yun@linux.dev>]

ping, would anyone take this patch?

在 2021/9/13 下午2:19, Jackie Liu 写道:
> From: Jackie Liu <liuyun01@kylinos.cn>
> 
> mach/loongson64 fails to build when the FPU support is disabled:
> 
> arch/mips/loongson64/cop2-ex.c:45:15: error: implicit declaration of function ‘__is_fpu_owner’; did you mean ‘is_fpu_owner’? [-Werror=implicit-function-declaration]
> arch/mips/loongson64/cop2-ex.c:98:30: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:99:30: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:131:43: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:137:38: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:203:30: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:219:30: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:283:38: error: ‘struct thread_struct’ has no member named ‘fpu’
> arch/mips/loongson64/cop2-ex.c:301:38: error: ‘struct thread_struct’ has no member named ‘fpu’
> 
> Fixes: ef2f826c8f2f ("MIPS: Loongson-3: Enable the COP2 usage")
> Suggested-by: Huacai Chen <chenhuacai@kernel.org>
> Reviewed-by: Huacai Chen <chenhuacai@kernel.org>
> Reported-by: k2ci robot <kernel-bot@kylinos.cn>
> Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
> ---
>   v1->v2:
>   move MIPS_FP_SUPPORT from MACH_LOONGSON64 to CPU_LOONGSON64
> 
>   v2->v3:
>   add Huacai Chen <chenhc@lemote.com>'s suggest label.
> 
>   v3->v4:
>   update Huacai Chen's email address.
> 
>   arch/mips/Kconfig | 1 +
>   1 file changed, 1 insertion(+)
> 
> diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
> index 24e374266fdc..aea3aa16a38e 100644
> --- a/arch/mips/Kconfig
> +++ b/arch/mips/Kconfig
> @@ -1408,6 +1408,7 @@ config CPU_LOONGSON64
>   	select MIPS_ASID_BITS_VARIABLE
>   	select MIPS_PGD_C0_CONTEXT
>   	select MIPS_L1_CACHE_SHIFT_6
> +	select MIPS_FP_SUPPORT
>   	select GPIOLIB
>   	select SWIOTLB
>   	select HAVE_KVM
>